You will discover six meanings outlined in OED's entry for your noun masthead, two of which happen to be labelled obsolete. See ‘That means & use’ for definitions, utilization, and quotation evidence. Newspaper mastheads mirrored this indifferent Frame of mind. They were being most noteworthy to the absences they contained. https://kingslists.com/story17921108/a-simple-key-for-masthead-unveiled